Ic Data - Yamaha A-S801 Service Manual

■ IC DATA

IC502: R5F3640ECNFA (FUNCTION P.C.B.)
Single chip 16-bit microprocessor
Internal peripheral functions
SW_N_MT
81
PWE_MGT
82
THM2
83
THM1
84
BASS
85
TREBLE
86
BALANCE
87
LOUDNESS
88
PRD
89
AD_VOL
90
VRUP
91
VRDN
92
PRV
93
KEY1
94
KEY0
95
AVSS
96
THM3
97
VREF
98
AVCC
99
DIG_SW
100
8 8 8
Port P0 Port P1 Port P2 Port P3
VCC2 ports
clock synchronous serial I/O
Timer (16-bit)
(6 channels)
Outputs (timer A): 5
Clock synchronous serial I/O
Inputs (timer B): 6
(8 bit x 2 channels)
Three-phase motor control circuit
Multi-master I
(1 channel)
Real-time clock
CEC function
PWM function (8-bit x 2)
Remote control signal
receiver
(2 circuits)
M16C/60 series
Watchdog timer
Microprocessor core
(15-bit)
R0H
A/D converter
R1H
(10-bit resolution X 26 channels)
R2
R3
D/A converter
A0
(8-bit resolution X 2 circuits)
A1 A1
FB FB
VCC1 ports
Port P10 Port P9 Port P8 Port P7
8 8 8
8
8 8
Port P4 Port P5
System clock generator
UART or
-X
X
IN OUT
X -X
CIN COUT
PLL frequency synthesizer
On-chip oscillator (125 kHz)
DMAC (4 channels)
2
C-bus interface
CRC arithmetic circuit
(CRC-CCITT or CRC-16)
Voltage detecter
Power-on reset
On-chip debugger
Memory
ROM
SB
R0L
R1L
RAM
USP
ISP
INTB
PC
FLG Multiplier
Port P6
8 8
A-S801
50 EVOL_CLK
EVOL_DATA
49
48 EEP_SCL
EEP_SDA
47
46 N_CE
USB_OCPRT
45
44 HPRY
SPARY
43
42 SPBRY
N_EMP
41
40 Z2VOL_CLK
Z2VOL_DATA
39
38 MI_SEL
DAC_N_RST
37
36 DAC_SCL
DAC_SDA
35
34 BSY
33 CLKF
32 RXDF
31 TXDF
31